Four winns 310 Horizon Owner's Manual page 112

Misuse of arch can over stress arch or danger-
ously imbalance boat. Failure to follow these
guidelines can result in injury or death. This
tow arch is to be used for towing wakeboard
and ski devices only. Do not tow more than
two persons at a time from this arch. Do not
use arch for lifting, parasailing or towing other
watercraft. Do not allow passengers to sit
behind rope attachment point when arch is in
use. Do not allow loose tow rope ends to
dangle. Do not climb on, hang on, sit on, jump
or dive off this arch. Check all arch fasteners
for tightness before using arch.
Sport Boat Exterior Equipment - Section M Owner's Manual Page 0